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About Sound Levels
Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.
Direct-Drive Wall-Mount Exhaust Fans
Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. Use these fans to draw stagnant and humid air out of a room or area.
Fans with an open dripproof motor enclosure are for relatively clean, dry, indoor locations. Use a collar (sold separately) to connect these fans to a louver.
For technical drawings and 3-D models, click on a part number.
120V AC, Single Phase (Hardwire)—Open Dripproof Motor Enclosure
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Overall | Collars | ||||||||||||||
| Blade Dia. | Airflow, cfm | Volume | Motor Speed, rpm | No. of Speeds | Power, hp | Ht. | Wd. | Dp. | Frame Material | Blade Material | Specifications Met | Each | Each | ||
| 8" | 400 | 53 dBA @ 5 ft. | 1,550 | 1 | 1/25 | 12 1/8" | 12 1/8" | 5 3/8" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 0000000 | 0000000 | 0000000 |
| 10" | 800 | 57 dBA @ 5 ft. | 1,550 | 1 | 1/20 | 16 1/8" | 16 1/8" | 8 3/8" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |
| 12" | 1,500 | 60 dBA @ 5 ft. | 1,550 | 1 | 1/8 | 16 1/8" | 16 1/8" | 8" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |
| 14" | 2,400 | 68 dBA @ 5 ft. | 1,550 | 1 | 1/3 | 20 1/8" | 20 1/8" | 9 7/8" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |
| 16" | 3,400 | 69 dBA @ 5 ft. | 1,550 | 1 | 3/4 | 20 1/8" | 20 1/8" | 11 1/4" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |
| 18" | 4,200 | 69 dBA @ 5 ft. | 1,550 | 1 | 3/4 | 24 1/8" | 24 1/8" | 11 3/4" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |
| 20" | 4,100 | 64 dBA @ 5 ft. | 1,075 | 1 | 1/2 | 24 1/8" | 24 1/8" | 10 5/8" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |
| 24" | 6,600 | 67 dBA @ 5 ft. | 1,075 | 1 | 3/4 | 30 1/8" | 30 1/8" | 11 1/8" | Powder-Coated Steel | Aluminum | UL Listed, C-UL Listed | 0000000 | 000000 | 0000000 | 000000 |